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Finding the Fourth Proportional to 240,416.71, 360,306.53 and 127,854.55

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Solution

The fourth proportional to 240,416.71, 360,306.53 and 127,854.55 is: 191,612.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,416.71 : 360,306.53 = 127,854.55 : x
  2. Step 2: Convert to fraction form
    240,416.71/360,306.53 = 127,854.55/x
  3. Step 3: Cross multiply
    240,416.71x = 360,306.53 × 127,854.55
  4. Step 4: Simplify right side
    240,416.71x = 46,066,829,545.78
  5. Step 5: Solve for x
    x = 46,066,829,545.78/240,416.71
  6. Step 6: Final answer
    x = 191,612.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.